Grazing scattering Atoms 12 Diffraction 12 Eikonal approximations 10 Projectiles 10 Fast atom diffractions 8 Quantum interference 8 Density functional theory 6 Insulator surfaces 6 Lithium compounds 6 Projectile distributions 6 Condensed matter physics 4 Crystal surfaces 4 Crystallographic directions 4 Initial value representation 4 Potential Model 4 Surface scattering 4 Ab initio 2 Ag(111) surface 2 Angular distribution 2 Atom 2 Atom diffraction 2 Axial surface channeling 2 Beam collimation 2 Calculations 2 Channeling conditions 2 Channeling effect 2 Chlorine compounds 2 Coherent addition 2 Collision 2